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CXCR4/SDF-1对鼻咽癌细胞增殖与迁移能力的影响

, PP. 598-600

Keywords: 鼻咽癌,增殖,迁移,CXCR,SDF-

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Abstract:

目的观察鼻咽癌不同恶性程度的细胞中趋化因子受体CXCR4的表达,检测CXCR4/SDF-1反应轴对鼻咽癌细胞的增殖作用,SDF-1对CXCR4阳性肿瘤细胞的趋化作用,探讨CXCR4/SDF-1生物学轴对人鼻咽癌细胞增殖与迁移能力的影响。方法以鼻咽癌成瘤高转移细胞株5-8F及成瘤不转移细胞株6-10B为研究对象,采用Westernblot免疫印迹法检测鼻咽癌细胞株CXCR4蛋白的表达情况,SDF-1及CXCR4阻断剂AMD3100作用于两种细胞后,MTT法检测细胞的增殖能力,体外迁徙实验检测CXCR4/SDF-1反应轴对鼻咽癌细胞的趋化作用。结果5-8F细胞株CXCR4蛋白的表达明显高于6-10B细胞株;SDF-1能明显增强5-8F细胞增殖与迁移能力,CXCR4阻断剂AMD3100作用后,5-8F细胞增殖与迁移能力明显降低;SDF-1对6-10B细胞的迁移及增殖能力无明显影响。结论CXCR4/SDF-1生物学轴与鼻咽癌细胞株的增殖与迁移有一定的关系,AMD3100可明显抑制鼻咽癌细胞的增殖与迁移能力。

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